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Westermo Viper-3520-E-T12-P8-HV Managed Ethernet Switch
Westermo Viper-3520-E-T12-P8-HV Managed Ethernet Switch
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Lead Time: More Than 8 Weeks
Westermo Viper-3520-E-T12-P8-HV Key Features
- Layer 3 functionality switching and routing
- 12 x 100 Mbps Ethernet Ports and 8 x 100 Mbps PoE Ports (M12 D-coded connector)
- 1 x RS-232 Console Port (M12 B-coded connector)
- IP67-rated Metal body material
- 48 to 110 VDC input power range
- Wallmount installation design
-
-40 to +70°C operating temperature

Description
The Westermo Viper-3520-E-T12-P8-HV Managed Ethernet Switch belongs to a highly reliable Viper-3520 Layer 3 switch that withstands vibration, extreme temperatures, and challenging conditions found in transportation, energy, and automation sectors. It combines intelligent network management with an ultra-durable mechanical design, ensuring continuous connectivity and dependable performance where reliability is critical. As a managed 20-port routing switch, it offers advanced control over traffic management and ensures network resilience through redundancy and fault tolerance. This Westermo Viper product sets a new benchmark for mission-critical Ethernet communications. The Westermo switch is crafted for performance, long-term stability, and easy integration into existing industrial infrastructures. With its advanced hardware platform and proven software reliability, the Viper-3520-E-T12-P8-HV provides a foundation for building secure and efficient communication networks capable of withstanding years of continuous operation.
Advanced Layer 3 Switching and High-Speed Connectivity
The Switch offers advanced Layer 3 functionality, providing VLAN management, redundancy, and rapid recovery in critical network infrastructures. It features 12 x 100 Mbps Ethernet Ports and 8 x 100 Mbps PoE Ports (M12 D-coded connector), offering reliable connectivity for sensors, cameras, and other field equipment requiring Power over Ethernet. This comprehensive port configuration ensures maximum flexibility and scalability for complex networks, enabling communication between multiple devices while maintaining superior network reliability and speed.
Industrial-Grade Design and Reliable Operation
The Viper-3520-E-T12-P8-HV's IP67-rated Metal body design offers complete protection against dust, water, and mechanical stress, allowing continuous operation in environments exposed to moisture, vibration, and shock. The wall-mount installation design ensures simple and stable mounting within vehicles, enclosures, or tight industrial spaces. Moreover, its wide 48 to 110 VDC input power range provides operational flexibility and ensures uninterrupted performance even during power fluctuations. With a robust design optimized for reliability, the switch performs consistently across a -40 to +70°C operating temperature for both arctic and desert conditions. Whether installed in railway systems or industrial automation networks, this Westermo switch guarantees long-term durability and network uptime.
Efficiency, Redundancy, and Intelligent Power Management
The Viper-3520-E-T12-P8-HV Switch supports efficient power management through its integrated PoE capabilities and dual power redundancy. The combination of standard and PoE ports provides energy-efficient operation and simplified installation, reducing cabling and infrastructure costs. Its intelligent Layer 3 functionality switching ensures data prioritization, network optimization, and rapid recovery in case of link failure. This switch improves operational efficiency and enhances system safety and communication integrity. It delivers stable, low-latency data exchange that industrial operators and railway engineers can rely on for years of dependable service.
Westermo Viper-3520-E-T12-P8-HV Certifications
The Viper-3520-E-T12-P8-HV meets an extensive range of global industrial and railway standards, ensuring unmatched reliability in Industrial Automation applications. It complies with EN 45545-2 for fire protection, EN 50121-3-2 and EN 50121-4 for railway electromagnetic compatibility, and EN 61000-6-2 and EN 61000-6-4 for industrial immunity and emission standards. The EN 61010-1 certification guarantees electrical safety in industrial installations, while compliance with NFPA 130 confirms suitability for railway and transit systems. Its CE marking ensures adherence to European quality regulations, reinforcing Westermo’s commitment to safety and performance. Detailed specifications and compliance information can be found in the Viper-3520-E-T12-P8-HV datasheet, which outlines its full performance, electrical, and environmental standards.
If you are looking to buy the Westermo Viper-3520-E-T12-P8-HV Managed Ethernet Switch at a reasonable price, Easy World Automation offers competitive options for professionals across the Middle East, including the UAE (Dubai, Abu Dhabi), KSA (Al Khobar, Riyadh), Kuwait, Qatar, and Oman. This powerful switch provides advanced management, superior reliability, and exceptional durability for industrial and railway network applications.
Attachment
Specification
Number of ports: 20 Ports
Other ports: 12 x 100 Mbps Ethernet Ports and 8 x 100 Mbps PoE Ports (M12 D-coded connector), 1 x RS-232 Console Port (M12 B-coded connector)
Backup: M12 USB
Input Current: No PoE power at 48 VDC: 0.42 A; Max at 48 VDC: 2.6 A; No PoE power at 110 VDC: 0.21 A; Max at 110 VDC: 1.1 A
Input Voltage: 48 to 110 VDC
Operating Voltage: 33.6 to 143 VDC (28.8 to 154 VDC for 100 ms)
Fan / Fanless: Fanless
MTBF: MIL-HDBK-217F2: 366,500 h
Network working layers: Layer 3
Switch type: Managed
Dimensions: 178 x 160 x 110 mm (7.01 x 6.30 x 4.33 inches)
Housing: Full metal
Installation: Wall mounting
Operating Temperature: -40 to +70°C (-40 to +158°F) (+85°C for a limited time)
Operation Humidity: 5-95% relative humidity, operational, storage, and transport
Standards and Certifications: Power interruption: Class S2 (10 ms hold-up) according to EN50155; Ingress protection: IP66 and IP67; MIL-HDBK-217F-N2, GB; IEC 62380; Climate: EN 50155 class OT4/IEC 60571 class TX, Railway applications - Electronic equipment used on rolling stock, Rapid temperature variations class H2, IEEE 1478 class 1, condition E4 (incl Salt Mist), Environmental conditions for transit rail car electronic equipment; EMC: EN/IEC 61000-6-2, Immunity industrial environments, EN/IEC 61000-6-4, Emission industrial environments, EN 50121-4/IEC 62236-4, Railway signalling and telecommunications apparatus, EN 50121-3-2/IEC 62236-3-2 Railway applications – Rolling stock – apparatus, Tested and verified for Class S1, DB EMC Regulation 06, Commodity team Radio compatibility in VDB Rev 1.0 (Shunting Radio), Tested and verified for FCC part 15; Mechanical (Shock and vibration): EN 61373 category 1, class A and B, IEEE 1478 class 1, condition E4, including shock tests 10 g/30 ms and 20 g/11 ms in all directions; Insulation (Coordination and test): EN 50124-1, Railway applications – Insulation coordination, EN 50155/IEC 60571, Railway applications - Electronic equipment used on rolling stock; Fire protection: EN 45545-2, Fire protection on railway vehicles, NFPA 130, Fire protection for fixed guideway transit and passenger rail system; Safety: EN/IEC/UL 61010-1, -2-201, Safety requirements for electrical equipment for measurement, control, and laboratory use; Cybersecurity: IEC 62443-4-2 SL2, Security for industrial automation and control systems; Software: EN 50657:2017 Software Onboard Rolling Stock (Basic Integrity); Shock: IEC 60068-2-27; Vibration: IEC 60068-2-6; IEC 60068-2-64
Storage Temperature: -55 to +85°C (-67 to +185°F)
Weight: 2.5 kg
Protocols and management standards: Westermo configuration tool WeConfig, Web interface (HTTP and HTTPS), Command Line Interface (CLI) via console port, SSHv2 and Telnet, Local and Central Authentication (RADIUS/TACACS+), Role Based Access Control (RBAC), Password Compliance Policy, SNMPv1/v2c/v3, Secure Copy (SCP) for remote file upload and download, Local file management (via HTTP, FTP, TFTP and SCP), Load/save files from/to external memory., Configuration and Deployment using external memory., Tech support button, Flexible alarm and event handling system, RFC5424/RFC3164 Syslog (log files and remote syslog server), Port monitoring